Looking for an open-source alternative to Firebase? Below are 7 community-built tools that offer similar functionality — all free, open source, and ready to use or self-host. Ranked by GitHub stars.
Supabase is an open-source alternative to Firebase, offering a rich Postgres database solution tailored for building efficient web, mobile, and AI applications.
An open-source, realtime backend system condensed into a single file. It provides instant APIs and a stylish admin UI for managing your apps effortlessly.
Appwrite is an open-source backend server for Web, Mobile, and Flutter developers. It provides a set of easy-to-use REST APIs for managing authentication, databases, storage, and more.
Parse Server for Node.js and Express, an open source backend as a service framework providing powerful features for mobile and web apps.
A powerful distributed server designed for building social and real-time games and applications, offering features such as matchmaking, leaderboards, and chat.
The open-source reactive database for app developers, designed to simplify and accelerate the development process.
Nhost is an open-source platform providing a Firebase alternative with GraphQL support.
The top picks from this list are Supabase, Pocketbase, Appwrite — all maintained, free to use, and self-hostable.
Yes. Every tool listed here is open source and free to use. Many can be self-hosted on your own infrastructure, which means no subscription fees and full control over your data.
Most of the alternatives listed are self-hostable. Check each tool's page for hosting details, system requirements, and licensing terms.
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